Uninline GetShaderText as it broke a test

com.unity.shadergraph/Editor/Importers/ShaderGraphImporter.cs

 
         List<PropertyCollector.TextureInfo> configuredTextures;
         string path = ctx.assetPath;
-        string shaderString = null;
+        var text = GetShaderText(path, out configuredTextures, sourceAssetDependencyPaths);
+        var shader = ShaderUtil.CreateShaderAsset(text);
+
+        EditorMaterialUtility.SetShaderDefaults(
+            shader,
+            configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
+            configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
+        EditorMaterialUtility.SetShaderNonModifiableDefaults(
+            shader,
+            configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
+            configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
+
+        ctx.AddObjectToAsset("MainAsset", shader);
+        ctx.SetMainObject(shader);
+
+        foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
+            ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
+    }
+
+    internal static string GetShaderText(string path, out List<PropertyCollector.TextureInfo> configuredTextures, List<string> sourceAssetDependencyPaths)
+    {
+        string shaderString = null;
         var shaderName = Path.GetFileNameWithoutExtension(path);
         try
         {
                 shaderName = graph.path + "/" + shaderName;
             shaderString = graph.GetShader(shaderName, GenerationMode.ForReals, out configuredTextures, sourceAssetDependencyPaths);
 
-            foreach (var node in graph.GetNodes<AbstractMaterialNode>())
-                node.GetSourceAssetDependencies(sourceAssetDependencyPaths);
+            if (sourceAssetDependencyPaths != null)
+            {
+                foreach (var node in graph.GetNodes<AbstractMaterialNode>())
+                    node.GetSourceAssetDependencies(sourceAssetDependencyPaths);
+            }
         }
         catch (Exception)
         {
-
-        var text = shaderString ?? k_ErrorShader.Replace("Hidden/GraphErrorShader2", shaderName);
-        var shader = ShaderUtil.CreateShaderAsset(text);
-
-        EditorMaterialUtility.SetShaderDefaults(
-            shader,
-            configuredTextures.Where(x => x.modifiable).Select(x => x.name).ToArray(),
-            configuredTextures.Where(x => x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
-        EditorMaterialUtility.SetShaderNonModifiableDefaults(
-            shader,
-            configuredTextures.Where(x => !x.modifiable).Select(x => x.name).ToArray(),
-            configuredTextures.Where(x => !x.modifiable).Select(x => EditorUtility.InstanceIDToObject(x.textureId) as Texture).ToArray());
+        return shaderString ?? k_ErrorShader.Replace("Hidden/GraphErrorShader2", shaderName);
+    }
-        ctx.AddObjectToAsset("MainAsset", shader);
-        ctx.SetMainObject(shader);
-
-        foreach (var sourceAssetDependencyPath in sourceAssetDependencyPaths.Distinct())
-            ctx.DependsOnSourceAsset(sourceAssetDependencyPath);
+    internal static string GetShaderText(string path, out List<PropertyCollector.TextureInfo> configuredTextures)
+    {
+        return GetShaderText(path, out configuredTextures, null);
     }
 }